This is a good game, like the Dino-game in Google. Just a suggestion, maybe if the player (tank) collides with an aircraft, make it Game Over or something :) Overall, this is a fun game to kill the time.
いいゲームです。面白かったです。ＰＳ日本人ではありません、フィリピノ人です。日本語ガタガタですみません。